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A rectangular region has a fence along three sides and a [#permalink]

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A rectangular region has a fence along three sides and a wall along the fourth side. The fenced side opposite the wall is twice the length of each of the other two fenced sides. If the area of the rectangular region is 128 square feet, what is the total length of the fence, in feet?

A rectangular region has a fence along three sides and a wall along the fourth side. The fenced side opposite the wall is twice the length of each of the other two fenced sides. If the area of the rectangular region is 128 square feet, what is the total length of the fence, in feet?

A. 4 B. 8 C. 16 D. 32 E. 64
two sides EACH = x the third = 2x and the wall length is thus 2x too

A rectangular region has a fence along three sides and a wall along the fourth side. The fenced side opposite the wall is twice the length of each of the other two fenced sides. If the area of the rectangular region is 128 square feet, what is the total length of the fence, in feet? A. 4 B. 8 C. 16 D. 32 E. 64

The fenced side opposite the wall = 2x. Each of the other two fenced sides = x.

The area = 2x*x=128 --> x=8.

The total length of the fence = x + x + 2x = 4x = 32 feet.

Re: A rectangular region has a fence along three sides and a [#permalink]

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17 Aug 2016, 14:34

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